Quarterly report pursuant to Section 13 or 15(d)

COMMITMENTS AND CONTINGENCIES COMMITMENTS AND CONTINGENCIES (Details)

v3.4.0.3
COMMITMENTS AND CONTINGENCIES COMMITMENTS AND CONTINGENCIES (Details)
$ in Millions
 1 Months Ended 3 Months Ended 180 Months Ended
Oct. 31, 2015
USD ($)
Apr. 30, 2014
Mar. 31, 2016
USD ($)
helicopter
Mar. 31, 2015
USD ($)
Dec. 31, 2009
USD ($)
Loss Contingencies [Line Items]          
Unfunded capital commitments     $ 156.1    
unfunded capital commitments payable     40.1    
Deposits paid     1.5    
Commitments eligible for termination     129.4    
Liquidated damages     3.2    
Period of availability (in years)   4 years      
Utilized credits     $ 1.2 $ 1.3  
AW189 Heavy Helicopters          
Loss Contingencies [Line Items]          
Number of helicopters | helicopter     7    
Number of additional helicopters | helicopter     10    
S92 Heavy Helicopters          
Loss Contingencies [Line Items]          
Number of helicopters | helicopter     2    
Number of additional helicopters | helicopter     2    
AW169 Light Twin Helicopters          
Loss Contingencies [Line Items]          
Number of helicopters | helicopter     5    
Foreign Tax Authority | Municipal Tax Authorities of Rio de Janeiro and Macae | Aeroleo          
Loss Contingencies [Line Items]          
Taxes, penalties and interest     $ 6.4    
Foreign Tax Authority | Foreign Tax Authority | Aeroleo | Brazilian Tax Dispute with Respect to Employer Social Security Contributions          
Loss Contingencies [Line Items]          
Taxes, penalties and interest     3.5    
Foreign Tax Authority | Foreign Tax Authority | Aeroleo | Other Litigation Matters          
Loss Contingencies [Line Items]          
Other current assets     $ 5.8    
Foreign Tax Authority | State of Rio de Janeiro | Aeroleo          
Loss Contingencies [Line Items]          
Taxes, penalties and interest $ 1.8       $ 1.9